Table 3 Type of debris flow in the study area
Classification basis | Type | Number | Percentage (%) |
|---|---|---|---|
Material | Mud flow | 259 | 92.17 |
Water-rock flow | 22 | 7.83 | |
Watershed feature | Gully debris flow | 247 | 87.90 |
Slope debris flow | 34 | 12.10 | |
Fluid property | Viscous debris flow | 254 | 90.39 |
Diluted debris flow | 27 | 9.61 | |
Development stage | Budding debris flow | 183 | 65.12 |
Vigorous debris flow | 57 | 20.28 | |
Degenerating debris flow | 20 | 7.12 | |
Resting debris flow | 21 | 7.47 | |
Scale | Huge debris flow | 14 | 4.98 |
Large debris flow | 48 | 17.08 | |
Medium debris flow | 98 | 34.88 | |
Small debris flow | 121 | 43.06 |